For example, if it is sunny and 87 degree today, the persistence method predicts that it will be sunny and 87 degree tomorrow.
例如，如果今天是晴，87度，持续性方法会预测明天也会是晴，87度。
However, if weather conditions change significantly from day to day, the persistence method usually breaks down and is not best forecasting method to use.
然而，如果天气状况一天天地显著变化，持续性方法常会出错，所以这不是制作天气预报的最佳方法。
While data binding isn't usually considered a persistence method, it effectively is just that: a way to take an XML document represented in memory and write it to a file.
虽然通常人们不会考虑使用数据绑定来实现持久化存储，但是它可以有效地实现：读取内存中表示的XML文档并将其写入文件。
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